33
Troubleshooting
Problem
Possible Reasons
Solutions
Cannot turn on power after
charging the battery
Defective battery.
Call authorized service center to
replace battery
Reading abnormally High
Dirty Filter.
Dirty sensor module.
Excessive moisture or water
condensation.
Incorrect calibration.
Benzene tube saturated.
Replace filter.
Clean or replace sensor module.
Blow-dry the sensor module.
Calibrate the unit.
Use new benzene tube.
Reading abnormally Low
Dirty filter.
Dirty sensor module.
Weak or dirty lamp.
Incorrect calibration.
Benzene tube gasket leaks
Replace Filter.
Clean or replace sensor module.
Clean or replace lamp.
Calibrate the unit.
Replace entire tube holder
Buzzer inoperative
Buzzer disabled
Bad buzzer
Check that buzzer is not turned
off.
Call authorized service center.
Inlet flow too low
Pump diaphragm damaged or
has debris.
Flow path leaks.
Call authorized service center.
Check flow path for leaks; e.g.,
sensor module O-ring, tube
holder connectors, Teflon tubing
compression fitting.
“Lamp” alarm on during
operation
Lamp drive circuit.
Weak or defective PID Lamp.
Turn unit off and back on, or take
lamp out and put it back.
Replace UV Lamp.
PC does not recognize
instrument
Wrong cable
Use mPower USB cable P/N
M-011-3003-000.
